/*
 * Copyright 2016 Eric Liu
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.xilihui.xlh.component.ipicker.internal;

import android.graphics.Rect;
import android.support.v7.widget.RecyclerView;
import android.view.View;

/**
 * Created by Eric on 16/9/12.
 */

public class SpaceItemDecoration extends RecyclerView.ItemDecoration {

    private int space;

    private int columnCount = 4;

    public SpaceItemDecoration(int space) {
        this.space = space;
    }

    @Override
    public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
        outRect.left = space;
        outRect.top = space;

        int position = parent.getChildLayoutPosition(view);

        if (position % columnCount == 0) {
            outRect.left = 0;
        }

        if (position < columnCount) {
            outRect.top = 0;
        }
    }
}
